Java Code Examples for org.lwjgl.opengl.Pbuffer#makeCurrent()

The following examples show how to use org.lwjgl.opengl.Pbuffer#makeCurrent() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: PbufferRenderer.java    From tribaltrouble with GNU General Public License v2.0 6 votes vote down vote up 
PbufferRenderer(int width, int height, PixelFormat format, boolean use_copyteximage, OffscreenRendererFactory factory) throws LWJGLException {
	super(width, height, use_copyteximage);
	this.factory = factory;
	pbuffer = new Pbuffer(width, height, format, null, null);
	GLStateStack state_stack = new GLStateStack();
	pbuffer.makeCurrent();
	GLStateStack.setCurrent(state_stack);
	try {
		pbuffer.makeCurrent();
		Renderer.dumpWindowInfo();
		init();
		if (!GLUtils.getGLBoolean(GL11.GL_DOUBLEBUFFER)) {
			GL11.glReadBuffer(GL11.GL_FRONT);
			GL11.glDrawBuffer(GL11.GL_FRONT);
		}
	} catch (LWJGLException e) {
		pbuffer.destroy();
		throw e;
	}
}
Example 2
Source File: PBufferGraphics.java    From slick2d-maven with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
/**
 * Initialise the PBuffer that will be used to render to
 * 
 * @throws SlickException
 */
private void init() throws SlickException {
	try {
		Texture tex = InternalTextureLoader.get().createTexture(image.getWidth(), image.getHeight(), image.getFilter());
		
		final RenderTexture rt = new RenderTexture(false, true, false, false, RenderTexture.RENDER_TEXTURE_2D, 0);
		pbuffer = new Pbuffer(screenWidth, screenHeight, new PixelFormat(8, 0, 0), rt, null);

		// Initialise state of the pbuffer context.
		pbuffer.makeCurrent();

		initGL();
		GL.glBindTexture(GL11.GL_TEXTURE_2D, tex.getTextureID());
		pbuffer.releaseTexImage(Pbuffer.FRONT_LEFT_BUFFER);
		image.draw(0,0);
		image.setTexture(tex);
		
		Display.makeCurrent();
	} catch (Exception e) {
		Log.error(e);
		throw new SlickException("Failed to create PBuffer for dynamic image. OpenGL driver failure?");
	}
}
Example 3
Source File: PBufferUniqueGraphics.java    From slick2d-maven with BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up 
/**
 * Initialise the PBuffer that will be used to render to
 * 
 * @throws SlickException
 */
private void init() throws SlickException {
	try {
		Texture tex = InternalTextureLoader.get().createTexture(image.getWidth(), image.getHeight(), image.getFilter());

		pbuffer = new Pbuffer(screenWidth, screenHeight, new PixelFormat(8, 0, 0), null, null);
		// Initialise state of the pbuffer context.
		pbuffer.makeCurrent();

		initGL();
		image.draw(0,0);
		GL11.glBindTexture(GL11.GL_TEXTURE_2D, tex.getTextureID());
		GL11.glCopyTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, 0, 0, 
							  tex.getTextureWidth(), 
							  tex.getTextureHeight(), 0);
		image.setTexture(tex);
		
		Display.makeCurrent();
	} catch (Exception e) {
		Log.error(e);
		throw new SlickException("Failed to create PBuffer for dynamic image. OpenGL driver failure?");
	}
}
Example 4
Source File: LwjglOffscreenBuffer.java    From MikuMikuStudio with BSD 2-Clause "Simplified" License 5 votes vote down vote up 
protected void initInThread(){
    if ((Pbuffer.getCapabilities() & Pbuffer.PBUFFER_SUPPORTED) == 0){
        logger.severe("Offscreen surfaces are not supported.");
        return;
    }

    pixelFormat = new PixelFormat(settings.getBitsPerPixel(),
                                  0,
                                  settings.getDepthBits(),
                                  settings.getStencilBits(),
                                  settings.getSamples());
    
    width = settings.getWidth();
    height = settings.getHeight();
    try{
        Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
            public void uncaughtException(Thread thread, Throwable thrown) {
                listener.handleError("Uncaught exception thrown in "+thread.toString(), thrown);
            }
        });

        pbuffer = new Pbuffer(width, height, pixelFormat, null, null, createContextAttribs());
        pbuffer.makeCurrent();

        renderable.set(true);

        logger.info("Offscreen buffer created.");
        printContextInitInfo();
    } catch (LWJGLException ex){
        listener.handleError("Failed to create display", ex);
    } finally {
        // TODO: It is possible to avoid "Failed to find pixel format"
        // error here by creating a default display.
    }
    super.internalCreate();
    listener.initialize();
}